[tex]\huge \bf༆ Answer ༄[/tex]
As we know the relationship between frequency, wavelength and wave speed , we can infer that : -
[tex] \sf \: f = \dfrac{ v}{λ} [/tex]
Terms in the formula
[ v of all electromagnetic waves is 3 × 10⁸ m/s]
Time to find the frequency : -
[tex]꧁ \: \large \frak{Eternal \: Being } \: ꧂[/tex]